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435 William St, Unit 206, River Forest, IL 60305 Property Records

Cook County property record for 435 William St, Unit 206, River Forest, IL 60305

Property Summary

Property TypeCondominium
Details2 bd · 2 ba · 1,570 sqft · built 2001
Lot Size0.742 acres (32,316 sqft)
Owner2 Individual Names on File
Last Sale$385,000 (Jul 2022)
Tax Bill$6,303 (2023)
Deeds & MortgagesJul 2022 Sale
Flood ZoneZone X (minimal risk)
APN15-12-220-037-1006

Property Details

APN / Parcel Number

Primary APN15-12-220-037-1006

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Units134 Units
Building Area1,570 sqft Living Area

Exterior

Year BuiltBuilt 2001
Effective Year BuiltEffective 2001
Architectural StyleCondo/Apartment
Exterior MaterialBrick
Lot Area32,316 sqft (0.742 acres)
Garage TypeAttached

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemRadiant
Heating FuelGas
Water SourceCommercial

Location & Zoning

Street Address435 WILLIAM ST, 206
CityRIVER FOREST
StateIL
Zip60305-1985
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal Range12E
Legal Township39N
Legal Section12
Legal SubdivisionWILLIAM PLACE CONDO
JurisdictionCOOK IL
Township / Civil DivisionRIVER FOREST
Census Block Group2
Census Block2009
Census Tract812000

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Individually ListedRiver Forest Historic District
listed 1977 · 620 contributing resources · NRIS 77000483

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

435 William St, Unit 206 is owned by two individuals who bought it in July 2022.

Source: Cook County records, as of May 27, 2026

Owner of Record2 Individual Names on File
Mailing Address435 WILLIAM ST, 206, RIVER FOREST, IL 60305-1985
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 7, 2022 · Amount on File
Deed SaleJul 7, 2022 · Amount on File
Prior SaleJul 10, 2014 · Amount on File
Deed Document Number202239375
Record UpdatedOct 29, 2026

July 2022: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionCOOK IL
Recording DateJul 7, 2022
Property Address435 WILLIAM ST UNIT 206, 206, RIVER FOREST, IL 60305-1985
Document Number0018839375
Map ReferenceDOC 0010820941
Instrument DateJun 6, 2022
Instrument2218839375
Transaction TypeTransfer
Record UpdatedJul 20, 2022
Title CompanyPROPER TITLE LLC

Transaction

AmountAmount on Record
Tax$385.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address435 WILLIAM ST UNIT 206, 206, RIVER FOREST, IL 60305-1985

Tax Assessment & Valuation

Source: Cook County assessment roll, as of May 27, 2026

Property Jurisdictions

TypeName
StateIllinois
CountyCook County
County SubdivisionRiver Forest Township
MunicipalityRiver Forest Village
Secondary School DistrictOak Park and River Forest District 200 (09 - 12)
Elementary School DistrictRiver Forest School District 90 (PK - 08)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$28,991 Land $425 Building $28,566$289,910 Land $4,250 Building $285,660
2023$6,303.00 (-5%)
2022$6,635.00 Homeowner's exemption$23,968 Land $592 Building $23,376$239,680 Land $5,920 Building $233,760

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 435 William St, Unit 206 in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective February 11, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 435 William St, Unit 206 has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemRIVER GROVE
serves 10,282 people · EPA ID IL0312640
Water SourcePurchased surface water from several systems
Last State InspectionDec 2024
Lead6 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting2
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 498 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable · Fiber in parts of the area		2,000 / 250

May also be available: T-Mobile, Verizon.

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